620 Park Ave
Multifamily Housing in New York City, NY · 620 PARK AVE. · 10065
At a glance
620 Park Ave is a 71,116-square-foot multifamily housing building at 620 PARK AVE. in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 59.8 kBtu/ft² and 368 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 59.8 kBtu/ft² |
| Source EUI | 93.5 kBtu/ft² |
| GHG emissions | 368 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 385,189 kWh |
| Natural gas | 365 therms |
| Water use | 1,391 kgal |
| Gross floor area | 71,116 sq ft |
| Source record | nyc:2669970:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 59.8 kBtu/ft² | 368 tCO₂e | |
| 2023 | — | 64.9 kBtu/ft² | 387 tCO₂e | |
| 2022 | — | 63.6 kBtu/ft² | 350 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 620 PARK AVE.
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76685, -73.96694
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 620 Park Ave compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 59.8 kBtu/ft² is about 20% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.2 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 71,116 sq ft, it is about 30% below the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 620 Park Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 620 Park Ave, covering report years 2022–2024. Site EUI moved from 63.6 kBtu/ft² (2022) to 59.8 kBtu/ft² (2024), a 6% decrease. Reported emissions went from 350 tCO₂e to 368 tCO₂e over the same span (up 5%).
What does a site EUI of 59.8 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 620 Park Ave's 59.8 kBtu/ft² across 71,116 sq ft works out to about 4.3 billion Btu (1,246 MWh-equivalent) in 2024. Its source EUI of 93.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 385,189 kWh of electricity, 365 therms of natural gas and 1,391 thousand gallons of water for the year.
Which law requires 620 Park Ave to report its energy use?
620 Park Ave reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:2669970:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More multifamily housing buildings in New York City
- 3660 Broadway· 71,112 sq ft · score 34 (D)
- CFF Consulting - 3660 Broadway· 71,112 sq ft · score 6 (D)
- Hayco: 560 AUDUBON AVENUE· 71,102 sq ft · score 62 (C)
- 1420 Gateway Boulevard· 71,100 sq ft · score 88 (A)
- 30-15 Newtown Ave· 71,097 sq ft · score 95 (A)
- Fieber Management : 275 WEST 238 STREET· 71,091 sq ft · score 62 (C)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is 620 Park Ave's energy grade?
620 Park Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 59.8 kBtu/ft².
How much energy does 620 Park Ave use?
Its 2024 site energy-use intensity was 59.8 kBtu/ft² (93.5 kBtu/ft² source) across 71,116 sq ft, including 385,189 kWh of electricity and 365 therms of natural gas.
What are 620 Park Ave's carbon emissions?
620 Park Ave reported 368 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2024.
Where is 620 Park Ave?
620 Park Ave is at 620 PARK AVE., in New York City, New York 10065. Its coordinates are 40.76685, -73.96694 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 620 Park Ave and when was it built?
620 Park Ave has 71,116 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.
Is 620 Park Ave covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “620 Park Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/620-park-ave-8f05098b (data as of October 2, 2026).